The Classification table lists residential function and exception classifications. Table relationship is 1:many.
Function codes provide additional classification information for individual residential areas:
| FUNCTION Code | FUNCTION Description |
| 30 | Residential |
| 33 | Condominiums |
| 34 | Mobile home/trailer complex |
| 35 | Multi-family dwellings (apartments, townhouses, etc.) |
| 36 | Single-family residence |
Exception codes identify polygons whose geometric or attribute references differ from standard representation:
| EXCEPTION Code | EXCEPTION Description |
| 00 | Default; no additional classification currently assigned |
| 10 | Non-neighborhood areas of interest (colleges, airports, etc.) |
| 11 | Neighborhoods roughly based on Census Place/MCD source |
| 12 | Geometry overlap validated by resource |
| 13 | Valid multipart polygon (such as a neighborhood with islands) |
| 14 | Name has been validated and is similar to another name within the metro |
| 15 | Valid multipart polygon and also a neighborhood based roughly on Census Place/MCD source |
| 16 | Geometry overlap validated by resource. Name has been validated and is similar to another name in the metro. |
| 17 | Valid multipart polygon. Name has been validated and is similar to another name in the same metro. |
| 18 | Geometry overlap validated by resources and valid multipart polygon |
Social codes provide social usage classification information for individual residential areas:
| SOCIAL Code | SOCIAL Description |
| 00 | Default; no additional classification currently assigned |
| 10 | Retirement Community |
| 11 | Assisted Living Residence |
| 12 | Age Restrictions (55+ community) |
| 31 | Golf Course Community |
| 33 | Vacation Resort |
| 44 | Historic District |
| 50 | College/University Residence |
| 60 | Homeowners Association |